The Dragon's Betrothed, Vol. 1 (manga)

A country sojourn turns into a forced marriage to a dragon god for troubled writer Chiharu!Troubled writer Chiharu Izunome reluctantly returns to his rural hometown, hoping some R & R will refresh his creative juices. Instead of finding respite, he's quickly entangled by an old promise to wed a local god! Rin, the water dragon god to whom Chiharu has been betrothed, can be disarmingly friendly and charming, but inside lurks an animalistic ferocity. Can Chiharu escape Rin's protective embrace, or is his fate already written?